Question

The human chromosome with the highest and least number of genes in them are respectively

• A. chromosome $21$ and $Y$
• B. chromosome $1$ and $X$
• C. chromosome $1$ and $Y$
• D. chromosome $X$ and $Y$

Answer 1

Answer: (C)

chromosome $1$ and $Y$

Answer 2

Chromosome $1$ has $2968$ genes (maximum) while $Y$-chromosome has $231$ genes (minimum).